题目内容：

阅读下面材料，在空白处填入适当的内容（不多于3个单词）或括号内单词的正确形式。

When Jack was a small boy, he was once asked to give a speech about “A Big Challenge(挑战) in My Life”. To talk before the whole class, he was __1.__ (terrible) shy as soon as he thought of so many eyes __2.___(stare) at him. He had no other___3.__ (choose), though. First Jack was to draft(打草稿) the speech, which was just a piece of cake for him because he was a good writer, But the hard part _4.___ (lie) in his oral presentation(展示), for it was not allowed to read from the paper. He had to give the speech __5.__ his memory and in front of such a big audience(观众)!

A real trial(考验) began when Jack stood on the platform with his legs __6.__(tremble颤抖) and his mind blank(空白). How much time had passed by, he didn’t know. His listeners were still waiting patiently and without any signs of laughing. Gradually he found _7.__ (him) back, giving out his speech without much difficulty. After what seemed to be a hundred years, he found the audience applauding. He made___8.__!  From then on, his fear of talking before an audience disappeared. Actually with his confidence built up, Jack now turns out to be a great speaker. As we know, the greater difficulty we meet on our way to __9.__(succeed), the ___10.____likely we will be to achieve(实现) our goals.